Gary Anderson won back-to-back PDC world titles in 2015 and 2016
Two-time champion Gary Anderson clinched a place in the PDC World Championship semi-finals for the first time in four years, ending debutant Justin Hood's exceptional run at Alexandra Palace.
The first four sets of their quarter-final were shared before Scotland's Anderson, 55, stepped on the accelerator - winning nine of the next 10 legs to secure a convincing victory.
"I'm over the moon to get through," Anderson, who will play either Luke Humphries or Gian van Veen in the last four, told Sky Sports.
"I know Luke Littler is the greatest on the planet now but Luke Humphries is there or thereabouts and a top-class player.
